This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A084981 #5 Dec 15 2017 17:36:23 %S A084981 1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,21,22,23,25,27,29,31, %T A084981 33,35,37,41,43,44,47,49,53,55,59,61,66,67,71,73,77,79,83,88,89,97,99, %U A084981 101,103,107,109,113,121,127,131,137,139,149,151,157,163,167,173,179 %N A084981 Numbers all of whose proper divisors are palindromic. %C A084981 77566 is in the sequence because its proper divisors are: 1, 2, 38783. %Y A084981 Cf. A062687. %K A084981 nonn,base %O A084981 1,2 %A A084981 Meenakshi Srikanth (menakan_s(AT)yahoo.com), Jun 27 2003 %E A084981 Edited by _Jason Earls_, May 13 2004